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        <title>2.2 Spark 通信架构解析 · 大数据 bigdata_spark_kernel-optimize_atguigu 课堂笔记</title>
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        <li class="header">第 1 部分: Spark 内核</li>
        
        
    
        <li class="chapter " data-level="1.1" data-path="../">
            
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                    第 1 章 Spark 内核概述
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.1.1" data-path="../11-spark-he-xin-zu-jian-hui-gu.html">
            
                <a href="../11-spark-he-xin-zu-jian-hui-gu.html">
            
                    
                    1.1 Spark 核心组件回顾
            
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        <li class="chapter " data-level="1.1.2" data-path="../12-spark-tong-yong-yun-xing-liu-cheng-gai-shu.html">
            
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                    1.2 Spark 通用运行流程概述
            
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        <li class="chapter " data-level="1.2" data-path="../chapter1.html">
            
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                    第 2 章 Spark 通讯架构
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.2.1" data-path="21-spark-tong-xun-jia-gou-gai-shu.html">
            
                <a href="21-spark-tong-xun-jia-gou-gai-shu.html">
            
                    
                    2.1 Spark 通讯架构概述
            
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        <li class="chapter active" data-level="1.2.2" data-path="23-spark-tong-xin-jia-gou-jie-xi.html">
            
                <a href="23-spark-tong-xin-jia-gou-jie-xi.html">
            
                    
                    2.2 Spark 通信架构解析
            
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        <li class="chapter " data-level="1.2.3" data-path="22-spark-qi-dong-liu-cheng-fen-xi.html">
            
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                    2.3 Spark 启动流程分析
            
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        <li class="chapter " data-level="1.2.3.1" data-path="22-spark-qi-dong-liu-cheng-fen-xi/231-master-liu-cheng-fen-xi.html">
            
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                    2.3.1 Master 启动源码分析
            
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                    2.3.2 Worker 启动源码分析
            
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            </ul>
            
        </li>
    

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        <li class="chapter " data-level="1.3" data-path="../di-3-zhang-spark-bu-shu-mo-shi.html">
            
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                    第 3 章 Spark 部署模式
            
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        <li class="chapter " data-level="1.3.1" data-path="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi.html">
            
                <a href="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi.html">
            
                    
                    3.1 Yarn 模式运行机制
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.3.1.1" data-path="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi/yarn-mo-shi-yun-xing-ji-zhi-yuan-ma-fen-xi.html">
            
                <a href="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi/yarn-mo-shi-yun-xing-ji-zhi-yuan-ma-fen-xi.html">
            
                    
                    1. Yarn cluster 模式运行机制源码分析
            
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        <li class="chapter " data-level="1.3.1.2" data-path="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi/yarn-client-mo-shi-yun-xing-ji-zhi-yuan-ma-fen-xi.html">
            
                <a href="../di-3-zhang-spark-bu-shu-mo-shi/31-yarn-mo-shi-yun-xing-ji-zhi/yarn-client-mo-shi-yun-xing-ji-zhi-yuan-ma-fen-xi.html">
            
                    
                    2. Yarn client 模式运行机制源码分析
            
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        <li class="chapter " data-level="1.3.2" data-path="../di-3-zhang-spark-bu-shu-mo-shi/32-standalone-mo-shi-yun-xing-ji-zhi.html">
            
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                    3.2 Standalone 模式运行机制
            
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        <li class="chapter " data-level="1.4" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi.html">
            
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                    第 4 章 Spark 任务调度机制
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.1" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/41-spark-ren-wu-diao-du-gai-shu.html">
            
                <a href="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/41-spark-ren-wu-diao-du-gai-shu.html">
            
                    
                    4.1 Spark 任务调度概述
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.2" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/42-spark-stage-ji-bie-diao-du.html">
            
                <a href="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/42-spark-stage-ji-bie-diao-du.html">
            
                    
                    4.2 Spark Stage 级别调度
            
                </a>
            

            
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        <li class="chapter " data-level="1.4.3" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du.html">
            
                <a href="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du.html">
            
                    
                    4.3 Spark Task 级别调度
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.3.1" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du/431-diao-du-ce-lve.html">
            
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                    4.3.1 调度策略
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.3.2" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du/432-ben-di-hua-diao-du.html">
            
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                    4.3.2 本地化调度
            
                </a>
            

            
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        <li class="chapter " data-level="1.4.3.3" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du/433-shi-bai-zhong-shi-he-hei-ming-dan.html">
            
                <a href="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/43-spark-task-ji-bie-diao-du/433-shi-bai-zhong-shi-he-hei-ming-dan.html">
            
                    
                    4.3.3 失败重试和黑名单
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.4" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/44-ren-wu-diao-du-yuan-ma-fen-xi.html">
            
                <a href="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/44-ren-wu-diao-du-yuan-ma-fen-xi.html">
            
                    
                    4.4 Stage 级别任务调度源码分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.5" data-path="../di-4-zhang-spark-ren-wu-diao-du-ji-zhi/45-task-ji-bie-ren-wu-diao-du-yuan-ma-fen-xi.html">
            
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                    4.5 Task 级别任务调度源码分析
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5" data-path="../di-5-zhang-spark-shuffle-jie-xi.html">
            
                <a href="../di-5-zhang-spark-shuffle-jie-xi.html">
            
                    
                    第 5 章 Spark Shuffle 解析
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.1" data-path="../di-5-zhang-spark-shuffle-jie-xi/51-shuffle-de-he-xin-yao-dian.html">
            
                <a href="../di-5-zhang-spark-shuffle-jie-xi/51-shuffle-de-he-xin-yao-dian.html">
            
                    
                    5.1 Shuffle 的核心要点
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2" data-path="../di-5-zhang-spark-shuffle-jie-xi/52-hashshuffle-jie-xi.html">
            
                <a href="../di-5-zhang-spark-shuffle-jie-xi/52-hashshuffle-jie-xi.html">
            
                    
                    5.2 HashShuffle 解析
            
                </a>
            

            
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        <li class="chapter " data-level="1.5.3" data-path="../di-5-zhang-spark-shuffle-jie-xi/53-sortshuffle-jie-xi.html">
            
                <a href="../di-5-zhang-spark-shuffle-jie-xi/53-sortshuffle-jie-xi.html">
            
                    
                    5.3 SortShuffle 解析
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.3.1" data-path="../di-5-zhang-spark-shuffle-jie-xi/53-sortshuffle-jie-xi/sortshuffle-yuan-ma-jie-xi.html">
            
                <a href="../di-5-zhang-spark-shuffle-jie-xi/53-sortshuffle-jie-xi/sortshuffle-yuan-ma-jie-xi.html">
            
                    
                    SortShuffle 源码解析
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.6" data-path="../di-6-zhang-spark-nei-cun-jie-xi.html">
            
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                    第 6 章 Spark 内存管理
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.6.1" data-path="../61-dui-nei-he-dui-wai-nei-cun-gui-hua.html">
            
                <a href="../61-dui-nei-he-dui-wai-nei-cun-gui-hua.html">
            
                    
                    6.1 堆内核堆外内存规划
            
                </a>
            

            
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        <li class="chapter " data-level="1.6.2" data-path="../62-nei-cun-kong-jian-fen-pei.html">
            
                <a href="../62-nei-cun-kong-jian-fen-pei.html">
            
                    
                    6.2 内存空间分配
            
                </a>
            

            
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        <li class="chapter " data-level="1.6.3" data-path="../63-cun-chu-nei-cun-guan-li.html">
            
                <a href="../63-cun-chu-nei-cun-guan-li.html">
            
                    
                    6.3 存储内存管理
            
                </a>
            

            
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        <li class="chapter " data-level="1.6.4" data-path="../64-zhi-xing-nei-cun-guan-li.html">
            
                <a href="../64-zhi-xing-nei-cun-guan-li.html">
            
                    
                    6.4 执行内存管理
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">第 2 部分: Spark 性能优化和故障处理</li>
        
        
    
        <li class="chapter " data-level="2.1" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua.html">
            
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                    第 7 章 Spark 性能优化
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.1.1" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/71-chang-gui-xing-neng-diao-you.html">
            
                <a href="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/71-chang-gui-xing-neng-diao-you.html">
            
                    
                    7.1 常规性能调优
            
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        <li class="chapter " data-level="2.1.2" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/72-suan-zi-diao-you.html">
            
                <a href="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/72-suan-zi-diao-you.html">
            
                    
                    7.2 算子调优
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.3" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/73-shuffle-diao-you.html">
            
                <a href="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/73-shuffle-diao-you.html">
            
                    
                    7.3 Shuffle 调优
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.4" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/74-jvm-diao-you.html">
            
                <a href="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-7-zhang-spark-xing-neng-you-hua/74-jvm-diao-you.html">
            
                    
                    7.4 JVM 调优
            
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        </li>
    

            </ul>
            
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        <li class="chapter " data-level="2.2" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-8-zhang-spark-shu-ju-qing-xie.html">
            
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                    第 8 章 Spark 数据倾斜解决方案
            
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        <li class="chapter " data-level="2.3" data-path="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-9-zhang-spark-troubleshooting.html">
            
                <a href="../di-2-bu-52063a-spark-xing-neng-you-hua-he-gu-zhang-chu-li/di-9-zhang-spark-troubleshooting.html">
            
                    
                    第 9 章 Spark Troubleshooting
            
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                                <h1 id="22-spark-netty-&#x901A;&#x4FE1;&#x67B6;&#x6784;&#x89E3;&#x6790;">2.2 Spark Netty &#x901A;&#x4FE1;&#x67B6;&#x6784;&#x89E3;&#x6790;</h1>
<p>Netty &#x5B98;&#x7F51;: <a href="https://netty.io/" target="_blank">https://netty.io/</a></p>
<p><img src="http://lizhenchao.oss-cn-shenzhen.aliyuncs.com/1554272621.png-atguiguText" alt=""></p>
<ol>
<li><p>RpcEndpoint&#xFF1A;RPC &#x7AEF;&#x70B9;&#x3002;</p>
<p>Spark &#x9488;&#x5BF9;&#x6BCF;&#x4E2A;&#x8282;&#x70B9;&#xFF08;Client/Master/Worker&#xFF09;&#x90FD;&#x79F0;&#x4E4B;&#x4E3A;&#x4E00;&#x4E2A; RpcEndpoint &#xFF0C;&#x4E14;&#x90FD;&#x5B9E;&#x73B0; <code>RpcEndpoint</code>&#x63A5;&#x53E3;&#xFF0C;&#x5185;&#x90E8;&#x6839;&#x636E;&#x4E0D;&#x540C;&#x7AEF;&#x70B9;&#x7684;&#x9700;&#x6C42;&#xFF0C;&#x8BBE;&#x8BA1;&#x4E0D;&#x540C;&#x7684;&#x6D88;&#x606F;&#x548C;&#x4E0D;&#x540C;&#x7684;&#x4E1A;&#x52A1;&#x5904;&#x7406;&#xFF0C;&#x5982;&#x679C;&#x9700;&#x8981;&#x53D1;&#x9001;&#xFF08;&#x8BE2;&#x95EE;&#xFF09;&#x5219;&#x5185;&#x90E8;&#x8C03;&#x7528; <code>Dispatcher</code> &#x7684;&#x5BF9;&#x5E94;&#x65B9;&#x6CD5;&#xFF1B;</p>
<blockquote>
<h4 id="&#x8BF4;&#x660E;"><em>&#x8BF4;&#x660E;:</em></h4>
</blockquote>
<ul>
<li><code>RpcEndpoint</code> &#x662F;&#x7528;&#x6765;&#x63A5;&#x6536;&#x6D88;&#x606F;.</li>
<li>&#x53D1;&#x9001;&#x6D88;&#x606F;&#x7684;&#x4F7F;&#x7528;<code>RpcEndpointRef</code>
<img src="http://lizhenchao.oss-cn-shenzhen.aliyuncs.com/1557284759.png-atguiguText" alt=""></li>
<li><code>RpcEndpointRef</code>&#x7684;&#x5177;&#x4F53;&#x5B9E;&#x73B0;&#x7C7B;&#x662F;: <code>NettyRpcEndpointRef</code></li>
</ul>
</li>
<li><p>RpcEnv: Rpc &#x4E0A;&#x4E0B;&#x6587;(Rpc &#x73AF;&#x5883;)</p>
<p>&#x6BCF;&#x4E2A;<code>RpcEndpoint</code>&#x8FD0;&#x884C;&#x65F6;&#x4F9D;&#x8D56;&#x7684;&#x4E0A;&#x4E0B;&#x6587;&#x73AF;&#x5883;&#x79F0;&#x4E3A; <code>RpcEnv</code></p>
</li>
<li><p>Dispatcher&#xFF1A;&#x6D88;&#x606F;&#x5206;&#x53D1;&#x5668;</p>
<p>RPC &#x7AEF;&#x70B9;&#x9700;&#x8981;&#x53D1;&#x9001;&#x6D88;&#x606F;&#x6216;&#x8005;&#x4ECE;&#x8FDC;&#x7A0B; RPC &#x7AEF;&#x70B9;&#x63A5;&#x6536;&#x5230;&#x7684;&#x6D88;&#x606F;&#xFF0C;&#x5206;&#x53D1;&#x81F3;&#x5BF9;&#x5E94;&#x7684;&#x6307;&#x4EE4;&#x6536;&#x4EF6;&#x7BB1;/&#x53D1;&#x4EF6;&#x7BB1;&#x3002;</p>
<ul>
<li>&#x5982;&#x679C;&#x6307;&#x4EE4;<my>&#x63A5;&#x6536;&#x65B9;&#x662F;&#x81EA;&#x5DF1;&#x5219;&#x5B58;&#x5165;&#x6536;&#x4EF6;&#x7BB1;</my></li>
<li>&#x5982;&#x679C;&#x6307;&#x4EE4;<my>&#x63A5;&#x6536;&#x65B9;&#x4E0D;&#x662F;&#x81EA;&#x5DF1;&#x5219;&#x653E;&#x5165;&#x53D1;&#x4EF6;&#x7BB1;</my></li>
</ul>
</li>
</ol>
<pre class="language-"><code class="lang-scala"><span class="token comment">// class NettyRpcEnv</span>
<span class="token keyword">private</span><span class="token punctuation">[</span>netty<span class="token punctuation">]</span> <span class="token keyword">def</span> send<span class="token punctuation">(</span>message<span class="token operator">:</span> RequestMessage<span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Unit</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
    <span class="token comment">// &#x83B7;&#x53D6;&#x63A5;&#x6536;&#x8005;&#x5730;&#x5740;&#x4FE1;&#x606F;</span>
    <span class="token keyword">val</span> remoteAddr <span class="token operator">=</span> message<span class="token punctuation">.</span>receiver<span class="token punctuation">.</span>address
    <span class="token keyword">if</span> <span class="token punctuation">(</span>remoteAddr <span class="token operator">==</span> address<span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token comment">// Message to a local RPC endpoint.</span>
        <span class="token comment">// &#x628A;&#x6D88;&#x606F;&#x53D1;&#x9001;&#x5230;&#x672C;&#x5730;&#x7684; RPC &#x7AEF;&#x70B9;  (&#x53D1;&#x9001;&#x5230;&#x6536;&#x4EF6;&#x7BB1;)</span>
        <span class="token keyword">try</span> <span class="token punctuation">{</span>
           dispatcher<span class="token punctuation">.</span>postOneWayMessage<span class="token punctuation">(</span>message<span class="token punctuation">)</span>
        <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">{</span>
           <span class="token keyword">case</span> e<span class="token operator">:</span> RpcEnvStoppedException <span class="token keyword">=&gt;</span> logWarning<span class="token punctuation">(</span>e<span class="token punctuation">.</span>getMessage<span class="token punctuation">)</span>
        <span class="token punctuation">}</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
        <span class="token comment">// Message to a remote RPC endpoint.</span>
        <span class="token comment">// &#x628A;&#x6D88;&#x606F;&#x53D1;&#x9001;&#x5230;&#x8FDC;&#x7A0B;&#x7684; RPC &#x7AEF;&#x70B9;.  (&#x53D1;&#x9001;&#x5230;&#x53D1;&#x4EF6;&#x7BB1;)</span>
        postToOutbox<span class="token punctuation">(</span>message<span class="token punctuation">.</span>receiver<span class="token punctuation">,</span> OneWayOutboxMessage<span class="token punctuation">(</span>serialize<span class="token punctuation">(</span>message<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<ol>
<li><p>Inbox&#xFF1A;&#x6307;&#x4EE4;&#x6D88;&#x606F;&#x6536;&#x4EF6;&#x7BB1;&#x3002;</p>
<my>&#x4E00;&#x4E2A;&#x672C;&#x5730; RpcEndpoint &#x5BF9;&#x5E94;&#x4E00;&#x4E2A;&#x6536;&#x4EF6;&#x7BB1;</my>
</li>
<li><p>RpcEndpointRef&#xFF1A;<code>RpcEndpointRef</code> &#x662F;&#x5BF9;&#x8FDC;&#x7A0B; <code>RpcEndpoint</code> &#x7684;&#x4E00;&#x4E2A;&#x5F15;&#x7528;&#x3002;</p>
<p>&#x5F53;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x5411;&#x4E00;&#x4E2A;&#x5177;&#x4F53;&#x7684; <code>RpcEndpoint</code> &#x53D1;&#x9001;&#x6D88;&#x606F;&#x65F6;&#xFF0C;&#x4E00;&#x822C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x83B7;&#x53D6;&#x5230;&#x8BE5;<code>RpcEndpoint</code> &#x7684;&#x5F15;&#x7528;&#xFF0C;&#x7136;&#x540E;&#x901A;&#x8FC7;&#x8BE5;&#x5F15;&#x7528;&#x53D1;&#x9001;&#x6D88;&#x606F;&#x3002;</p>
</li>
<li><p>OutBox&#xFF1A;&#x6307;&#x4EE4;&#x6D88;&#x606F;&#x53D1;&#x4EF6;&#x7BB1;&#x3002;</p>
<p>&#x5BF9;&#x4E8E;&#x5F53;&#x524D; RpcEndpoint &#x6765;&#x8BF4;&#xFF0C;&#x4E00;&#x4E2A;&#x76EE;&#x6807; RpcEndpoint &#x5BF9;&#x5E94;&#x4E00;&#x4E2A;&#x5F53;&#x524D;&#x7684;&#x53D1;&#x4EF6;&#x7BB1;&#xFF0C;&#x5982;&#x679C;&#x5411;&#x591A;&#x4E2A;&#x76EE;&#x6807; RpcEndpoint &#x53D1;&#x9001;&#x4FE1;&#x606F;&#xFF0C;&#x5219;&#x6709;&#x5F53;&#x524D;&#x4F1A;&#x6709;&#x591A;&#x4E2A; OutBox&#x3002;&#x5F53;&#x6D88;&#x606F;&#x653E;&#x5165; Outbox &#x540E;&#xFF0C;&#x7D27;&#x63A5;&#x7740;&#x901A;&#x8FC7; TransportClient &#x5C06;&#x6D88;&#x606F;&#x53D1;&#x9001;&#x51FA;&#x53BB;&#x3002;&#x6D88;&#x606F;&#x653E;&#x5165;&#x53D1;&#x4EF6;&#x7BB1;&#x4EE5;&#x53CA;&#x53D1;&#x9001;&#x8FC7;&#x7A0B;&#x662F;&#x5728;&#x540C;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#x4E2D;&#x8FDB;&#x884C;&#xFF1B;</p>
</li>
<li><p>RpcAddress&#xFF1A;&#x8868;&#x793A;&#x8FDC;&#x7A0B;&#x7684;RpcEndpointRef&#x7684;&#x5730;&#x5740;&#xFF0C;<code>Host + Port</code>&#x3002;</p>
</li>
<li><p>TransportClient&#xFF1A;Netty&#x901A;&#x4FE1;&#x5BA2;&#x6237;&#x7AEF;</p>
<p>&#x4E00;&#x4E2A; OutBox &#x5BF9;&#x5E94;&#x4E00;&#x4E2A; TransportClient&#xFF0C;TransportClient &#x4E0D;&#x65AD;&#x8F6E;&#x8BE2;OutBox&#xFF0C;&#x6839;&#x636E; OutBox &#x6D88;&#x606F;&#x7684; receiver &#x4FE1;&#x606F;&#xFF0C;&#x8BF7;&#x6C42;&#x5BF9;&#x5E94;&#x7684;&#x8FDC;&#x7A0B; TransportServer&#xFF1B;</p>
</li>
<li><p>TransportServer&#xFF1A;Netty &#x901A;&#x4FE1;&#x670D;&#x52A1;&#x7AEF;</p>
<p>&#x4E00;&#x4E2A; RpcEndpoint &#x5BF9;&#x5E94;&#x4E00;&#x4E2A; TransportServer&#xFF0C;&#x63A5;&#x53D7;&#x8FDC;&#x7A0B;&#x6D88;&#x606F;&#x540E;&#x8C03;&#x7528; Dispatcher &#x5206;&#x53D1;&#x6D88;&#x606F;&#x81F3;&#x5BF9;&#x5E94;&#x6536;&#x53D1;&#x4EF6;&#x7BB1;&#xFF1B;</p>
</li>
</ol>
<h2 id="&#x9AD8;&#x5C42;&#x4FEF;&#x89C6;&#x56FE;">&#x9AD8;&#x5C42;&#x4FEF;&#x89C6;&#x56FE;</h2>
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